

class User(object):
    def __init__(self,name,age):
        self.name=name
        self.age=age
    
    def login(self,user):
        if user.name==self.name and user.age==self.age:
            print('用户{}登陆成功！'.format(user.name))


def cnts(*args):
    print(len(args))

def prints():
    print('你好我是login 类！')